package com.person.webdemoproject2.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

@Component
public class aliyunossUtils {



        @Value("${aliyun.oss.endpoint}")
        private String endpoint;
        @Value("${aliyun.oss.accessKeyId}")
        private String accessKeyId;
        @Value("${aliyun.oss.accessKeySecret}")
        private String accessKeySecret;
        @Value("${aliyun.oss.bucketName}")
        private String bucketName;

        /**
         * 实现上传图片到OSS
         */
        public String upload(MultipartFile file) throws IOException {

            if (file.isEmpty()) {
                return null;
            }
            // 获取上传的文件的输入流
            InputStream inputStream = file.getInputStream();

            // 避免文件覆盖
            String originalFilename = file.getOriginalFilename();
            String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

            //上传文件到 OSS
            OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
            ossClient.putObject(bucketName, fileName, inputStream);

            //文件访问路径
            String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
            // 关闭ossClient
            ossClient.shutdown();
            return url;// 把上传到oss的路径返回
        }

    }

